L G ] 2 8 Fe b 20 09 Manipulation Robustness of Collaborative Filtering Systems

@inproceedings{Yan2009LG,
  title={L G ] 2 8 Fe b 20 09 Manipulation Robustness of Collaborative Filtering Systems},
  author={Xiang Yan and Benjamin Van Roy},
  year={2009}
}
A collaborative filtering system recommends to users products that similar users like. Collaborative filtering systems influence purchase decisions, and hence have become targets of manipulation by unscrupulous vendors. We provide theoretical and empirical results demonstrating that while common nearest neighbor algorithms, which are widely used in… CONTINUE READING